Full water levels in the Bidwell Marina at Lake Oroville on July 20, 2011, in Oroville, Calif. In adjacent image, low water levels in the Bidwell Marina at Lake Oroville on Aug. 19. (Photo: Getty Images)

The Green Bridge passes over full water levels at a section of Lake Oroville near the Bidwell Marina on July 20, 2011, in Oroville, Calif. Low water levels are seen on Aug. 19 in the adjacent image. (Photo: Getty Images)

The increasingly dire water situation across the state is being compounded by unusual heat. The first half of 2014 has been the hottest in California in 120 years of record-keeping, according to records maintained by the National Climatic Data Center.